The Hobbywing QUICRUN Fusion Mini16 3000KV brings Hobbywing's integrated FOC crawler concept to compact 1/16 and 1/18 platforms. The ESC and brushless motor are combined into one 24mm × 42mm power unit weighing only 72g including wires and connectors, helping solve one of the biggest challenges in small crawlers: finding enough chassis space for the motor, ESC and wiring.
Despite its compact size, the Fusion Mini16 retains serious crawler-focused control features including FOC low-speed drive, RPM Matching closed-loop speed control, adjustable drag brake, three running modes, 13 programmable parameters, AUX-channel real-time drag brake adjustment, 2-3S LiPo support and an adjustable 6V / 7.4V 4A BEC.
Quick Fit Check
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Primary application: 1/16 and 1/18 RC crawlers
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System type: Sensored FOC brushless ESC + motor 2-in-1 system
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Motor KV: 3000KV
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Continuous / Peak Current: 30A / 80A
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Battery: 2-3S LiPo or 6-9 cell NiMH
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Motor size: 24mm diameter × 42mm length
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Weight: 72g including wires and connectors
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Shaft: 2.3mm diameter × 13.5mm exposed length
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BEC: 6V / 7.4V adjustable, 4A continuous
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Protection rating: IP65
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Programming: LED Program Box, LCD Program Box G2 and LCD Program Box Pro
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Real-time tuning: Drag Brake Force via receiver AUX channel
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Important: Confirm motor mount, shaft dimensions, drivetrain ratio and chassis clearance before installation.
Product Specifications
| Product Name |
Hobbywing QUICRUN Fusion Mini16 3000KV |
| Product Number |
30120403 |
| Primary Application |
1/16 & 1/18 RC crawlers |
| System Type |
Sensored FOC brushless ESC & motor 2-in-1 system |
| Continuous / Peak Current |
30A / 80A |
| Battery Support |
2-3S LiPo / 6-9 cell NiMH |
| Motor KV |
3000KV |
| Motor Poles |
4 poles |
| BEC Output |
6V / 7.4V adjustable, 4A continuous, switch-mode |
| Motor Diameter / Length |
24mm × 42mm |
| Shaft Diameter / Exposed Length |
2.3mm / 13.5mm |
| Weight |
72g including wires and connectors |
| Protection Rating |
IP65 |
| Programming Interface |
Independent yellow programming / AUX signal cable |
| Supported Programmers |
LED Program Box / LCD Program Box G2 / LCD Program Box Pro |
Ultra-Compact Integrated Power System for Mini Crawlers
The defining feature of the Fusion Mini16 is its scale. The ESC electronics and 3000KV brushless motor are integrated into a single 24mm diameter × 42mm long unit weighing only 72g.
That compact layout matters much more in a 1/16 or 1/18 crawler than it does in a full-size 1/10 chassis. Integrating the ESC into the motor removes the need for a separate ESC mounting location and eliminates the external motor phase wires used by conventional brushless systems.
This can free valuable room for the receiver, battery, lighting electronics and scale interior while keeping wiring cleaner.
FOC Drive for Fine Low-Speed Control
The Fusion Mini16 uses Field-Oriented Control to manage motor torque smoothly at very low RPM. This is particularly useful in small crawlers, where abrupt motor response can make precise obstacle placement difficult.
FOC provides progressive throttle response and strong usable torque at low speed, helping the vehicle approach rocks, ledges and technical obstacles with finer control than a power system designed primarily around higher RPM operation.
The system also operates quietly and efficiently, helping reduce unnecessary heat and motor noise during low-speed crawling.
Smart Torque Output and Closed-Loop RPM Matching
In Forward and Reverse RPM Matching mode, the Fusion Mini16 uses closed-loop speed control to compensate for changing terrain resistance.
When the crawler meets additional resistance while climbing, the system automatically increases torque output to keep vehicle speed closer to the driver's throttle command.
During descents, the controller can reduce torque output and stabilize vehicle speed, giving the Mini16 a controlled slow-descent behavior instead of allowing terrain alone to dictate its speed.
This automatic speed compensation applies only to RPM Matching mode. In either Normal mode, vehicle speed changes naturally as drivetrain load and terrain resistance change.
Three Selectable Running Modes
The Fusion Mini16 offers three running modes for different crawler driving preferences:
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Forward / Reverse — RPM Matching: direct forward and reverse with closed-loop speed compensation.
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Forward / Reverse with Brake — Normal Mode: forward, proportional brake and reverse behavior without automatic RPM Matching.
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Forward / Reverse — Normal Mode: direct forward and reverse without closed-loop speed compensation.
Real-Time Drag Brake Adjustment from Your Transmitter
The Mini16's yellow signal cable has two functions. It serves as the programming signal cable when using a program box, and it can also be connected to an unused AUX channel on a compatible receiver.
When connected as an AUX control, Drag Brake Force can be adjusted in real time from a transmitter knob or switch. This lets the driver change hill-holding behavior without stopping to connect a programming box.
The highest AUX signal corresponds to the programmed drag brake setting, while reducing the signal progressively reduces drag brake force down to zero at the lowest signal position.
Adjustable Drag Brake Force and Rate
The Fusion Mini16 gives crawler drivers separate control over how much drag brake is applied and how quickly that braking force builds.
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Drag Brake Force: Disabled + Levels 1-8
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Drag Brake Rate: Auto + Levels 1-9
Drag Brake Force determines the final holding force at neutral throttle. Drag Brake Rate determines how aggressively that force is introduced.
The Auto Drag Brake Rate setting can adjust brake application according to current draw. This helps prevent excessively abrupt braking at higher load while retaining fine control at lower speeds.
2-3S LiPo Support
The QUICRUN Fusion Mini16 supports 2S and 3S LiPo batteries as well as 6-9 cell NiMH packs.
LiPo cell count can be automatically detected or manually selected. If the same cell count is used consistently, manual selection can reduce the risk of an incorrectly discharged battery being misidentified.
6V / 7.4V Adjustable 4A BEC
The built-in switch-mode BEC provides 4A continuous current and selectable 6V or 7.4V output for receiver-side electronics.
6V is appropriate for conventional servos and receivers designed for standard voltage operation, while 7.4V can be selected for compatible high-voltage receiver and servo systems.
Always confirm the maximum operating voltage of the receiver, steering servo and every other device connected to the receiver power bus before selecting 7.4V.
IP65 Protection for Real Trail Conditions
The complete Fusion Mini16 system carries an IP65 protection rating, providing resistance to water and dust during normal crawler use.
This makes it suitable for typical outdoor crawler environments involving dust, damp terrain and water spray.
IP65 is not the same as IP67. The Mini16 should not be described or treated as a system intended for immersion. Avoid prolonged or unnecessary water exposure, and clean and dry the vehicle after wet or muddy use.
13 Adjustable ESC Parameters
The Fusion Mini16 provides thirteen programmable settings:
- Running Mode
- LiPo Cells
- Cutoff Voltage
- Thermal Protection
- Motor Rotation
- BEC Voltage
- Drag Brake Force
- Drag Brake Rate
- Max. Reverse Force
- Max. Brake Force
- RPM Decrease Rate
- Punch
- Neutral Range
Programmable Low-Voltage Protection
The low-voltage cutoff system monitors LiPo battery voltage and progressively reduces motor output when the selected threshold is reached.
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Low: 3.0V per cell
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Medium: 3.25V per cell
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High: 3.5V per cell
When low-voltage protection is triggered, motor output is reduced to approximately 50% before eventually being disabled.
Low-voltage protection may be disabled for applications such as NiMH batteries, but it should normally remain enabled when using LiPo packs.
LED and LCD Program Box Support
The Fusion Mini16 offers broader programming compatibility than several other QUICRUN Fusion systems.
Supported programming devices include:
- Hobbywing LED Program Box
- Hobbywing LCD Program Box G2
- Hobbywing LCD Program Box Pro
The throttle lead and yellow signal cable are connected to the corresponding interfaces on the programming device when adjusting ESC settings.
Programming boxes are sold separately unless specifically stated otherwise in the package listing.
Wide Application Range — With Setup Limits
The Mini16 is primarily designed for 1/16 and 1/18 crawlers. Hobbywing also shows the system being used in selected larger lightweight single-speed scale platforms.
For larger applications, Hobbywing's promotional fitment guidance specifies lightweight single-speed models around 1/14, 1/12 and selected 1/10 scale applications with vehicle weight and drivetrain-ratio limitations.
These should therefore be treated as conditional applications rather than universal 1/10 compatibility. For normal purchasing guidance, 1/16 and 1/18 crawlers remain the primary fitment category.
Multiple Motor Mounting Patterns
The Mini16 motor face provides several mounting-hole patterns to support compact crawler chassis:
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14mm pattern: M2.5 mounting holes
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16mm pattern: M2.5 mounting holes
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17mm pattern: M3 mounting holes
The motor contains four M2.5 and two M3 mounting holes, with a maximum mounting-hole depth of 4mm. Always verify screw length before installation because screws that extend too far can damage the motor internally.
Hobbywing also shows an optional motor conversion plate for chassis using a 25.4mm motor mounting pattern. The conversion plate is an optional accessory and should not be assumed to be included with the Fusion Mini16.
Multiple Protection Functions
The Fusion Mini16 includes several protection functions for crawler operation:
- Battery low-voltage protection
- Thermal / overheat protection
- Throttle signal loss protection
- Motor lock-up protection
Motor beep patterns also provide diagnostic information for throttle signal problems, neutral-position errors, battery-voltage errors, low-voltage protection and thermal protection.
Receiver Power and External BEC Warning
The red wire in the throttle cable supplies internal BEC power to the receiver and steering servo.
Do not simultaneously power the receiver bus from another BEC or receiver battery while leaving the Fusion Mini16's internal BEC connected.
If an independent receiver power source is required, unpin or disconnect the red wire from the Fusion Mini16 throttle cable and insulate it securely before applying external receiver power.
Throttle Calibration
Throttle calibration should be completed before first use and whenever the transmitter, receiver or throttle-channel settings are changed.
The calibration procedure records three throttle positions:
- Neutral
- Full forward
- Full reverse
For safety, remove the pinion gear or otherwise separate the drivetrain from load while calibrating the power system.
Automatic Motor Pairing
If the Mini16 experiences severe impact, abnormal heating, abnormal power output or unusual startup behavior, Hobbywing provides an optional motor-pairing procedure.
The motor should be separated from the gearbox before pairing. Unlike some larger Fusion systems, the Mini16 motor does not rotate during its automatic pairing procedure, but it should still remain unloaded as specified by the manual.
FAQ
What vehicles is the QUICRUN Fusion Mini16 designed for?
Its primary applications are 1/16 and 1/18 RC crawlers. Hobbywing also shows conditional use in selected larger lightweight single-speed crawler platforms, but those applications require appropriate vehicle weight, gearing and motor mounting.
Is the Fusion Mini16 an ESC or a motor?
It is both. The brushless ESC and 3000KV FOC motor are integrated into a single compact 2-in-1 power system.
What battery does the Fusion Mini16 use?
It supports 2S and 3S LiPo batteries as well as 6-9 cell NiMH packs.
How small is the Fusion Mini16?
The integrated motor body measures 24mm in diameter and 42mm in length, and the complete system weighs approximately 72g including its wires and connectors.
Does the Fusion Mini16 have RPM Matching?
Yes. In Forward / Reverse RPM Matching mode, closed-loop speed control automatically adjusts motor torque as vehicle resistance changes.
Can I adjust drag brake from my transmitter?
Yes. The yellow signal cable can be connected to an unused receiver AUX channel so Drag Brake Force can be changed in real time from a compatible transmitter control.
Does it support a 7.4V servo?
The internal BEC can be set to 7.4V, but the receiver, servo and every other device connected to the receiver power bus must support that voltage.
Which programming boxes work with the Fusion Mini16?
The Fusion Mini16 supports the Hobbywing LED Program Box, LCD Program Box G2 and LCD Program Box Pro.
Is the Fusion Mini16 IP67 waterproof?
No. The Fusion Mini16 is rated IP65. It is designed to resist water spray and dust during normal crawler use, but it should not be treated as an IP67 system or intentionally submerged.
Will the Fusion Mini16 fit every 1/16 or 1/18 crawler?
No universal-fit claim should be made. Confirm the 24mm motor diameter, 42mm body length, mounting-hole pattern, 2.3mm shaft diameter, 13.5mm exposed shaft length, gearbox clearance and drivetrain gearing before purchase.
Package Includes
- 1 × Hobbywing QUICRUN Fusion Mini16 3000KV ESC / Motor 2-in-1 System
Programming box, optional motor mounting adapter, battery, receiver, servo and other RC electronics are not included unless specifically stated in the product listing.
Important Notice
- Disconnect the battery after every use. The system continues to draw a small amount of power even when switched off.
- Never reverse battery polarity.
- Use 7.4V BEC output only when all receiver-side electronics support 7.4V operation.
- Do not feed the receiver simultaneously from the internal BEC and another receiver power source unless the internal BEC output is correctly isolated.
- Motor mounting holes are 4mm deep. Confirm mounting screw length before installation.
- Do not allow the external system temperature to exceed 90°C / 194°F.
- The system is rated IP65, not IP67, and should not be intentionally submerged.
- Confirm gearing, drivetrain load and complete installation before operating the vehicle.
QUICRUN Fusion Mini16 User Manual
Download the Hobbywing QUICRUN Fusion Mini16 User Manual
Complete Your Crawler Power Setup
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